Home / 327,604.91-451,981.82-198,584.87

Finding the Fourth Proportional to 327,604.91, 451,981.82 and 198,584.87

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Solution

The fourth proportional to 327,604.91, 451,981.82 and 198,584.87 is: 273,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,604.91 : 451,981.82 = 198,584.87 : x
  2. Step 2: Convert to fraction form
    327,604.91/451,981.82 = 198,584.87/x
  3. Step 3: Cross multiply
    327,604.91x = 451,981.82 × 198,584.87
  4. Step 4: Simplify right side
    327,604.91x = 89,756,749,203.62
  5. Step 5: Solve for x
    x = 89,756,749,203.62/327,604.91
  6. Step 6: Final answer
    x = 273,978.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.